Magnetic bearing bushing I

Details Magnetic bearing bushing I Magnetic bearing bushing I

1990-06-19

1991-10-01

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

384114, F16C 3382, F16C 3206

Patent

active

050528238

ABSTRACT:
A bearing bushing incorporating a sleeve (1) of magnetizable material forming the sliding surface of the bearing, a shaft (2) mounted in said sleeve (1) and a lubricant in the form of a magnetic fluid (3) between the sliding surface of the sleeve (1) and the shaft (2), whereby the sleeve (1) is magnetized in an axial direction. For causing a hydrodynamic lubrication and an increased cooling effect the sleeve (1) has a number of radial holes (4) through which the magnetic fluid (3) may pass to the other side of the sleeve (1), and which, by the axial magnetic field about the sleeve (1), is given a circulating motion along the inner and outer side of the sleeve.

REFERENCES:
patent: 4598914 (1986-07-01), Furumura et al.
patent: 4602873 (1986-07-01), Izumi et al.
patent: 4717266 (1988-01-01), Hart, Jr. et al.

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